Home / 2,721.93-3,751.69-2,083.65

Finding the Fourth Proportional to 2,721.93, 3,751.69 and 2,083.65

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Solution

The fourth proportional to 2,721.93, 3,751.69 and 2,083.65 is: 2,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.93 : 3,751.69 = 2,083.65 : x
  2. Step 2: Convert to fraction form
    2,721.93/3,751.69 = 2,083.65/x
  3. Step 3: Cross multiply
    2,721.93x = 3,751.69 × 2,083.65
  4. Step 4: Simplify right side
    2,721.93x = 7,817,208.87
  5. Step 5: Solve for x
    x = 7,817,208.87/2,721.93
  6. Step 6: Final answer
    x = 2,871.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.